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In-situ synthesized titanium-based composite material composite laminated component, and preparation method and application thereof

A titanium-based composite material, an in-situ self-generating technology, which is applied in the field of in-situ self-generating titanium-based composite material composite laminated components and their preparation, and the field of pressure diffusion connection preparation of in-situ titanium-based composite material composite laminated components, which can solve the problem of In the aerospace field, the application prospect is small, the plate connection cannot be realized, and the cost is high.

Active Publication Date: 2020-08-28
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method is more complicated and costly, and the connection between the existing plates cannot be realized, and the thickness of its multi-layer materials is below the millimeter level, so the application prospect in the aerospace field is relatively small

Method used

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  • In-situ synthesized titanium-based composite material composite laminated component, and preparation method and application thereof
  • In-situ synthesized titanium-based composite material composite laminated component, and preparation method and application thereof
  • In-situ synthesized titanium-based composite material composite laminated component, and preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0042] A method for preparing an in-situ self-generated titanium-based composite material composite laminated component, comprising the following steps:

[0043] A. Use wire cutting to process titanium-based composite materials and titanium alloy plate samples with the same size and uniform thickness. The specific size: 50mm×50mm×4mm, and the titanium alloy plate is Ti 6 Al 4 V titanium alloy, in-situ self-generated reinforcements in titanium matrix composites include TiB and TiC, the volume content of reinforcements is 5%, and the volume content of TiB and TiC reinforcements is 1:1;

[0044] B. Clean the surface of each plate sample, and then use 200#, 400#, 600#, 800#, 1000#, 2000# metallographic sandpaper to polish the surface of the sample step by step, and then put the polished sample plate Put it into acetone solution and clean it with ultrasonic waves. After cleaning, it can be packed in a sealed bag to ensure the integrity of the surface of the sample;

[0045] C. Ap...

Embodiment 2

[0054] A method for preparing an in-situ self-generated titanium-based composite material composite laminated component, comprising the following steps:

[0055] A. Wire cutting to cut titanium-based composites (Ti 6 Al 4 V-TiB) and pure titanium plates, cut into 50mm×50mm×4mm samples, the volume content ratio of TiB reinforcement is 3%;

[0056] B. Clean the surface of the titanium-based composite material and titanium alloy plate, first use a grinder to smooth it, and then use a relatively fine sandpaper to polish it to the surface roughness of 2000# sandpaper, and then put the polished sample plate into Use ultrasonic cleaning in acetone solution. After cleaning, it can be packed in a sealed bag to ensure the integrity of the surface of the sample;

[0057] C. Apply BN solution on the upper and lower surfaces of the plates in contact with the pressure mold, stick to each plate, and fix the four corners of the sample by spot welding, and then place it in a vacuum hot press...

Embodiment 3

[0061] A method for preparing an in-situ self-generated titanium-based composite material composite laminated component, comprising the following steps:

[0062] A. Wire cutting to cut titanium-based composites (Ti 6 Al 4 V-TiB / TiC) and titanium alloy (Ti 6 Al 4 V) plates, cut into 50mm×50mm×4mm samples, where TiB:TiC=1:1, and the total volume content ratio of the reinforcement is 10%;

[0063] B. Clean the surface of the titanium-based composite material and titanium alloy plate, first use a grinder to smooth it, and then use a relatively fine sandpaper to polish it to the surface roughness of 2000# sandpaper, and then put the polished sample plate Put it into acetone solution and use ultrasonic cleaning, after cleaning, it can be packed in a sealed bag to ensure the integrity of the surface of the sample;

[0064] C. Apply BN solution on the upper and lower surfaces of the plates in contact with the pressure mold, stick to each plate, and fix the four corners of the samp...

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Abstract

The invention discloses a preparation method of an in-situ synthesized titanium-based composite material composite laminated component, and relates to the field of metal-based composite materials. Themethod comprises the following steps: A, carrying out linear cutting machining on a titanium alloy base material and a titanium-based composite material plate sample; B, performing surface treatmenton the plate sample; C, tightly attaching at least one layer of the titanium alloy base material and at least one layer of the titanium-based composite material plate sample to obtain a composite plate component, and coating the surface of the composite plate component with a BN solution, putting the coated component into a pressure mold, and fixing; and D, carrying out heat insulation on the composite board component at 850-950 DEG C under 5-15 MPa for 0.5-1.5 h to obtain the titanium-based composite material double-layer board or multi-layer board component without the interface cavity defect. The interface shear strength of the composite component is 640-670 MPa, the composite component has good strength and plasticity, a new solution is provided for machining of the high-strength-and-toughness titanium-based composite component, and the composite component has far-reaching strategic significance in preparation of the ultrahigh-strength multi-layer composite component.

Description

technical field [0001] The invention relates to the field of metal matrix composite materials, in particular to an in-situ self-generated titanium-based composite material composite laminated component and a preparation method thereof, in particular to a method for preparing a pressure-diffused connection of an in-situ self-generated titanium-based composite material composite laminated component . Background technique [0002] In the past thirty years, the application of titanium-based composite materials has gradually become more and more extensive. It has transitioned from the field of military defense to the civilian field, and now it has been applied in many fields such as aerospace, weapons, civil aviation and industry. Compared with long-fiber-reinforced titanium-based composites, particle and whisker-reinforced titanium-based composites are inferior in terms of individual performance, but they also endow better processability, which is precisely the reason for the ap...

Claims

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Application Information

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IPC IPC(8): B32B37/06B32B37/10B32B15/01B32B38/00C22C14/00C22C32/00
CPCB32B15/01B32B37/06B32B37/1018B32B38/00C22C14/00C22C32/0005C22C32/0031C22C32/0047C22C32/0052C22C32/0073C22C32/0078
Inventor 韩远飞谌聪吕维洁吴华舵黄光法
Owner SHANGHAI JIAO TONG UNIV
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